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CVE-2026-43877
medium
CVSS 5.4
Cross-Site Request Forgery (CSRF) in wwbn/avideo (CVE-2026-43877)
Summary
vulnerability in wwbn/avideo (CVE-2026-43877). Risk of unauthorized operations or information disclosure. Exploitable via ``autoCSRFGuard``.
AI summary snake-internal / snake-material-v2
A vulnerability tracked as **CVE-2026-43877** has been found in wwbn/avideo.
Attackers can target a specific entry point like ``autoCSRFGuard`` over the network to misuse the product.
Risk of unauthorized operations or information disclosure. CVSS score: 5.4/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "wwbn/avideo CVE-2026-43877" on the vendor's site.
CVE-2026-43877 (wwbn/avideo) — CWE-352 / CVSS v3 5.4
Attack vector: remote (network-reachable) / unauthenticated
Attack surface: `autoCSRFGuard` / `base64DataToImage` / `getimagesizefromstring` / `imagecreatefromstring`
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
❓ What is the problem
**CSRF** (CWE-352) exists in wwbn/avideo. Attackers reach the vulnerable code path via ``autoCSRFGuard`` without authentication.
📍 Affected scope
wwbn/avideo — . Attack surface: `autoCSRFGuard` / `base64DataToImage` / `getimagesizefromstring` / `imagecreatefromstring`.
🔥 Severity
Severity: Medium (CVSS 5.4/10). Risk of unauthorized operations or information disclosure
🔧 How to fix
Update to the patched release per vendor advisory.
🛡️ Workaround
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
🔍 Detection
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run `grep -r 'wwbn/avideo' .` against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response Actions (7 steps)
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'wwbn/avideo' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で `wwbn/avideo` を grep し、稼働しているサービス・バージョンを把握する。
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7Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番では Step 3 と同じログクエリでアラート再発が無いか継続監視。
Affected packages
composer
wwbn/avideo
[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]
Packagist
wwbn/avideo
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"29.0"}]}]
References
- advisory https://nvd.nist.gov/vuln/detail/CVE-2026-43877
- package https://github.com/WWBN/AVideo
- web https://github.com/WWBN/AVideo/commit/9c38468041505e637101c5943c5370c68f48e3ac
- web https://github.com/WWBN/AVideo/security/advisories/GHSA-jw8g-5j46-44rp
- web https://github.com/advisories/GHSA-jw8g-5j46-44rp